Datasheet
LM2727, LM2737
www.ti.com
SNVS205D –AUGUST 2002–REVISED MARCH 2013
Absolute Maximum Ratings
(1)(2)
V
CC
7V
BOOTV 21V
Junction Temperature 150°C
Storage Temperature −65°C to 150°C
Soldering Information
Lead Temperature (soldering, 10sec) 260°C
Infrared or Convection (20sec) 235°C
ESD Rating
(3)
2 kV
(1) Absolute maximum ratings indicate limits beyond which damage to the device may occur. Operating ratings indicate conditions for
which the device operates correctly. Opearting Ratings do not imply ensured performance limits.
(2) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and
specifications.
(3) The human body model is a 100pF capacitor discharged through a 1.5k resistor into each pin.
Operating Ratings
Supply Voltage (V
CC
) 4.5V to 5.5V
Junction Temperature Range −40°C to +125°C
Thermal Resistance (θ
JA
) 155°C/W
Electrical Characteristics
V
CC
= 5V unless otherwise indicated. Typicals and limits appearing in plain type apply for T
A
=T
J
=+25°C. Limits appearing in
boldface type apply over full Operating Temperature Range. Datasheet min/max specification limits are ensured by design,
test, or statistical analysis.
Symbol Parameter Conditions Min Typ Max Units
V
CC
= 4.5V, 0°C to +125°C 0.591 0.6 0.609
V
CC
= 5V, 0°C to +125°C 0.591 0.6 0.609
V
CC
= 5.5V, 0°C to +125°C 0.591 0.6 0.609
V
FB_ADJ
FB Pin Voltage V
V
CC
= 4.5V, −40°C to +125°C 0.589 0.6 0.609
V
CC
= 5V, −40°C to +125°C 0.589 0.6 0.609
V
CC
= 5.5V, −40°C to +125°C 0.589 0.6 0.609
V
ON
UVLO Thresholds Rising 4.2
V
Falling 3.6
SD = 5V, FB = 0.55V
1 1.5 2
Fsw = 600kHz
Operating V
CC
Current mA
I
Q-V5
SD = 5V, FB = 0.65V
0.8 1.7 2.2
Fsw = 600kHz
Shutdown V
CC
Current SD = 0V 0.15 0.4 0.7 mA
t
PWGD1
PWGD Pin Response Time FB Voltage Going Up 6 µs
t
PWGD2
PWGD Pin Response Time FB Voltage Going Down 6 µs
I
SD
SD Pin Internal Pull-up Current 20 µA
I
SS-ON
SS Pin Source Current SS Voltage = 2.5V
0°C to +125°C 8 11 15 µA
-40°C to +125°C 5 11 15
I
SS-OC
SS Pin Sink Current During Over SS Voltage = 2.5V
95 µA
Current
I
SEN
Pin Source Current Trip Point 0°C to +125°C 35 50 65
I
SEN-TH
µA
-40°C to +125°C 28 50 65
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